From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from us-smtp-1.mimecast.com (us-smtp-delivery-1.mimecast.com [207.211.31.120]) by sourceware.org (Postfix) with ESMTP id 539B93857C40 for ; Wed, 12 Aug 2020 08:13:25 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org 539B93857C40 Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-133-jPr5Vx9bN3uxSj5xlvEAvA-1; Wed, 12 Aug 2020 04:13:22 -0400 X-MC-Unique: jPr5Vx9bN3uxSj5xlvEAvA-1 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 0946A802B55 for ; Wed, 12 Aug 2020 08:13:22 +0000 (UTC) Received: from calimero.vinschen.de (ovpn-112-47.ams2.redhat.com [10.36.112.47]) by smtp.corp.redhat.com (Postfix) with ESMTPS id CF4A71001281 for ; Wed, 12 Aug 2020 08:13:21 +0000 (UTC) Received: by calimero.vinschen.de (Postfix, from userid 500) id 60C7DA803DD; Wed, 12 Aug 2020 10:13:20 +0200 (CEST) Date: Wed, 12 Aug 2020 10:13:20 +0200 From: Corinna Vinschen To: newlib@sourceware.org Subject: Re: [PATCH 1/4] libc/stdlib: Use __builtin_mul_overflow for reallocarray and calloc Message-ID: <20200812081320.GO53219@calimero.vinschen.de> Reply-To: newlib@sourceware.org Mail-Followup-To: newlib@sourceware.org References: <20200811230543.2169774-1-keithp@keithp.com> <20200811230543.2169774-2-keithp@keithp.com> MIME-Version: 1.0 In-Reply-To: <20200811230543.2169774-2-keithp@keithp.com> X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8 Content-Disposition: inline X-Spam-Status: No, score=-7.9 required=5.0 tests=BAYES_00, DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, RCVD_IN_DNSWL_NONE, RCVD_IN_MSPIKE_H3, RCVD_IN_MSPIKE_WL, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on server2.sourceware.org X-BeenThere: newlib@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Newlib mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 12 Aug 2020 08:13:26 -0000 On Aug 11 16:05, Keith Packard via Newlib wrote: > This built-in function (available in both gcc and clang) is more > efficient and generates shorter code than open-coding the test. > > Signed-off-by: Keith Packard > --- > newlib/libc/stdlib/mallocr.c | 8 +++++++- > newlib/libc/stdlib/nano-mallocr.c | 12 ++++++++++-- > newlib/libc/stdlib/reallocarray.c | 17 +++++------------ > 3 files changed, 22 insertions(+), 15 deletions(-) Pushed. Thanks, Corinna -- Corinna Vinschen Cygwin Maintainer Red Hat